A sample of 104 motels is selected from a large urban area and the price for a night of lodging for a single room was determined for each motel. The mean rate is computed to be $100 and the standard deviation is $13. One motel charged $68 per night which is the 13th percentile. Another motel charged $120 per night which is the 75th percentile.   Step 4 of 4 :   How many motels charged between $68 and $120? Round your answer to the nearest integer.

Q: middle 99.7% of car costs are between what values

A: Given that  Mean(μ) = $22,000 Standard deviation (σ) = $2000   We know that  68-95-99.7 Empirical…

Q: On a nationwide math test, the mean was 51 and the standard deviation was 4. If Roberto scored 70,…

A:

Q: The weights of a certain dog breed are approximately normally distributed with a mean of 51 pounds,…

A: Let random variable X be The weights of a certain dog breed.X has normal distribution with…

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: On a nationwide math test, the mean was 63 and the standard deviation was 10. If Roberto scored 85,…

A: GivenMean(μ)=63standard deviation(σ)=10score(x)=85

Q: After 5 points are added to each score in a sample, the mean is found to be M=45 . What was the…

A: Given data: c = 5 points are added to each score in a sample. New mean, M = 45 Let the original mean…

Q: What does “statistically significant” mean in this context? (More than one answer is correct. Select…

A: Hypothesis Testing is a type of inferential procedure is statistics.

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given: * 24 of all families in the sample turned on the television    for 22 hours or less for the…

Q: ve an opinion about which population will have a higher mean score. Here are her hypotheses. H0:…

A: Given The data is as follows:

Q: A sample of 129 motels is selected from a large urban area and the price for a night of lodging for…

A: A sample of 129 motels is selected.

Q: What raw score does he need to get the certificate

A: Given that Mean = 83 And SD = 3.2

Q: For a study conducted by the research department of a pharmaceutical company, 225 randomly selected…

A:

Q: We are asked to find the values that separate the middle 60% of the population from the top and…

A: In a normal distribution, the z-score is a measure of how many standard deviations an element is…

Q: The scores on a statewide chemistry exam were normally distributed with ?=73.08 and ?=6. Gabriela…

A: Given data isMean(μ)=73.08standard deviation(σ)=6

Q: On a nationwide math test, the mean was 51 and the standard deviation was 4. If Roberto scored 85,…

A: We have given the mean and standard deviation of a nationwide math test.Mean μ = 51Standard…

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

A: Given that, Mean = 72 Standard deviation = 7

Q: d. The degrees of freedom = e. The test-statistic for this data (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: A recent Nielsen analysis found that the typical U.S. smartphone user is spending an average of 220…

A: The random variable time follows normal distribution. The sample mean is 205. The sample standard…

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: Given: The middle 68% of the scores are falling between 70 and 84.

Q: On a nationwide math test, the mean was 57 and the standard deviation was 4. If Roberto scored 90,…

A: Formula for z-score is

Q: Which conclusion is the most accurate summary of the results of this study?  Group of answer…

A: Given: Test statistic is t=-4.11 df=168 p value=0.0000

Q: On a verbal skill test, the mean was 72 and the standard deviation was 7. If John scored 75, what…

A: Given data,Mean μ=72sd      σ=7If John scored 75z-score=?

Q: elow are the summary statistics calculated from the heights of students on a university campus. 25%…

A: It is given that the first quartile is 58.

Q: Which of the following  percentiles represents the median of a data set? Select one: a. 100th b.…

A: to find which percentile represents the median .